There are
2,590 mi
from Ukiah, CA to Maryville, TN
That's the driving distance. It would take 1 day 21 hours to go from Ukiah, California to Maryville, Tennessee.
The flight distance (direct flight from Ukiah, CA to Maryville, TN) is 2,148.13 mi.
2,590 mi = 4,167.87 kms